/// <summary>
/// Creates a new Angular3PointDimension that is a copy of the current instance.
/// </summary>
/// <returns>A new Angular3PointDimension that is a copy of this instance.</returns>
public override object Clone()
{
Angular3PointDimension entity = new Angular3PointDimension
{
//EntityObject properties
Layer = (Layer)this.layer.Clone(),
LineType = (LineType)this.lineType.Clone(),
Color = (AciColor)this.color.Clone(),
Lineweight = (Lineweight)this.lineweight.Clone(),
Transparency = (Transparency)this.transparency.Clone(),
LineTypeScale = this.lineTypeScale,
Normal = this.normal,
//Dimension properties
Style = this.style,
AttachmentPoint = this.attachmentPoint,
LineSpacingStyle = this.lineSpacingStyle,
LineSpacingFactor = this.lineSpacing,
//Angular3PointDimension properties
CenterPoint = this.center,
StartPoint = this.start,
EndPoint = this.end,
Offset = this.offset
};
foreach (XData data in this.XData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
/// <summary>
/// Creates a new Angular3PointDimension that is a copy of the current instance.
/// </summary>
/// <returns>A new Angular3PointDimension that is a copy of this instance.</returns>
public override object Clone()
{
Angular3PointDimension entity = new Angular3PointDimension
{
//EntityObject properties
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
IsVisible = this.IsVisible,
//Dimension properties
Style = (DimensionStyle)this.Style.Clone(),
AttachmentPoint = this.AttachmentPoint,
LineSpacingStyle = this.LineSpacingStyle,
LineSpacingFactor = this.LineSpacingFactor,
UserText = this.UserText,
//Angular3PointDimension properties
CenterPoint = this.center,
StartPoint = this.start,
EndPoint = this.end,
Offset = this.offset,
Elevation = this.Elevation
};
foreach (XData data in this.XData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
/// <summary>
/// Creates a new Angular3PointDimension that is a copy of the current instance.
/// </summary>
/// <returns>A new Angular3PointDimension that is a copy of this instance.</returns>
public override object Clone()
{
Angular3PointDimension entity = new Angular3PointDimension
{
//EntityObject properties
Layer = (Layer)this.Layer.Clone(),
Linetype = (Linetype)this.Linetype.Clone(),
Color = (AciColor)this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency)this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
IsVisible = this.IsVisible,
//Dimension properties
Style = (DimensionStyle)this.Style.Clone(),
DefinitionPoint = this.DefinitionPoint,
TextReferencePoint = this.TextReferencePoint,
TextPositionManuallySet = this.TextPositionManuallySet,
TextRotation = this.TextRotation,
AttachmentPoint = this.AttachmentPoint,
LineSpacingStyle = this.LineSpacingStyle,
LineSpacingFactor = this.LineSpacingFactor,
UserText = this.UserText,
Elevation = this.Elevation,
//Angular3PointDimension properties
CenterPoint = this.center,
StartPoint = this.start,
EndPoint = this.end,
Offset = this.offset
};
foreach (DimensionStyleOverride styleOverride in this.StyleOverrides.Values)
{
object copy;
ICloneable value = styleOverride.Value as ICloneable;
copy = value != null?value.Clone() : styleOverride.Value;
entity.StyleOverrides.Add(new DimensionStyleOverride(styleOverride.Type, copy));
}
foreach (XData data in this.XData.Values)
{
entity.XData.Add((XData)data.Clone());
}
return(entity);
}
private void WriteAngular3PointDimension(Angular3PointDimension dim)
{
this.chunk.Write(100, SubclassMarker.Angular3PointDimension);
this.chunk.Write(13, dim.FirstPoint.X);
this.chunk.Write(23, dim.FirstPoint.Y);
this.chunk.Write(33, dim.FirstPoint.Z);
this.chunk.Write(14, dim.SecondPoint.X);
this.chunk.Write(24, dim.SecondPoint.Y);
this.chunk.Write(34, dim.SecondPoint.Z);
this.chunk.Write(15, dim.CenterPoint.X);
this.chunk.Write(25, dim.CenterPoint.Y);
this.chunk.Write(35, dim.CenterPoint.Z);
this.chunk.Write(40, 0.0);
this.WriteXData(dim.XData);
}
public static Block Build(Angular3PointDimension dim, string name)
{
double offset = dim.Offset;
double measure = dim.Value;
double aperture = measure * MathHelper.DegToRad;
DimensionStyle style = dim.Style;
// we will build the dimension block in object coordinates with normal the dimension normal
Vector3 refPoint;
refPoint = MathHelper.Transform(dim.CenterPoint, dim.Normal, MathHelper.CoordinateSystem.World, MathHelper.CoordinateSystem.Object);
Vector2 refCenter = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(dim.StartPoint, dim.Normal, MathHelper.CoordinateSystem.World, MathHelper.CoordinateSystem.Object);
Vector2 ref1 = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(dim.EndPoint, dim.Normal, MathHelper.CoordinateSystem.World, MathHelper.CoordinateSystem.Object);
Vector2 ref2 = new Vector2(refPoint.X, refPoint.Y);
double elevation = refPoint.Z;
double startAngle = Vector2.Angle(refCenter, ref1);
double endAngle = Vector2.Angle(refCenter, ref2);
Vector2 dimRef1 = Vector2.Polar(refCenter, offset, startAngle);
Vector2 dimRef2 = Vector2.Polar(refCenter, offset, endAngle);
double refAngle = Vector2.Angle(dimRef1, dimRef2);
double midRot = startAngle + aperture * 0.5;
Vector2 midDim = Vector2.Polar(refCenter, offset, midRot);
// reference points
Layer defPoints = new Layer("Defpoints")
{
Plot = false
};
Point startRef = new Point(ref1)
{
Layer = defPoints
};
Point endRef = new Point(ref2)
{
Layer = defPoints
};
Point centerPoint = new Point(refCenter)
{
Layer = defPoints
};
// dimension lines
double ext1;
double ext2;
Arc dimArc = DimensionArc(refCenter, dimRef1, dimRef2, startAngle, endAngle, Math.Abs(offset), refAngle, 1, style, out ext1, out ext2);
// dimension arrows
double angle1 = Math.Asin(ext1 * 0.5 / Math.Abs(offset));
double angle2 = Math.Asin(ext2 * 0.5 / Math.Abs(offset));
EntityObject arrow1 = StartArrowHead(dimRef1, angle1 + startAngle - MathHelper.HalfPI, style);
EntityObject arrow2 = EndArrowHead(dimRef2, angle2 + endAngle + MathHelper.HalfPI, style);
// dimension lines
double dimexo = Math.Sign(offset) * style.DIMEXO * style.DIMSCALE;
double dimexe = Math.Sign(offset) * style.DIMEXE * style.DIMSCALE;
Line ext1Line = null;
if (!style.DIMSE1)
{
ext1Line = ExtensionLine(Vector2.Polar(ref1, dimexo, startAngle), Vector2.Polar(dimRef1, dimexe, startAngle), style, style.DIMLTEX1);
}
Line ext2Line = null;
if (!style.DIMSE2)
{
ext2Line = ExtensionLine(Vector2.Polar(ref2, dimexo, endAngle), Vector2.Polar(dimRef2, dimexe, endAngle), style, style.DIMLTEX1);
}
// dimension text
string text = FormatDimensionText(measure, true, style);
double textRot = midRot - MathHelper.HalfPI;
MText mText = DimensionText(Vector2.Polar(midDim, style.DIMGAP * style.DIMSCALE, midRot), textRot, text, style);
dim.DefinitionPoint = MathHelper.Transform(new Vector3(midDim.X, midDim.Y, elevation), dim.Normal, MathHelper.CoordinateSystem.Object, MathHelper.CoordinateSystem.World);
dim.MidTextPoint = new Vector3(midDim.X, midDim.Y, elevation); // this value is in OCS
// drawing block
Block block = new Block(name, false);
block.Entities.Add(startRef);
block.Entities.Add(endRef);
block.Entities.Add(centerPoint);
block.Entities.Add(ext1Line);
block.Entities.Add(ext2Line);
block.Entities.Add(dimArc);
block.Entities.Add(arrow1);
block.Entities.Add(arrow2);
block.Entities.Add(mText);
return(block);
}
public static Block Build(Angular3PointDimension dim, string name)
{
double offset = Math.Abs(dim.Offset);
double side = Math.Sign(dim.Offset);
double measure = dim.Measurement;
DimensionStyle style = BuildDimensionStyleOverride(dim);
List<EntityObject> entities = new List<EntityObject>();
Vector2 refCenter = dim.CenterPoint;
Vector2 ref1 = dim.StartPoint;
Vector2 ref2 = dim.EndPoint;
if (side < 0)
{
Vector2 tmp = ref1;
ref1 = ref2;
ref2 = tmp;
}
double startAngle = Vector2.Angle(refCenter, ref1);
double endAngle = Vector2.Angle(refCenter, ref2);
double midRot = startAngle + measure*MathHelper.DegToRad*0.5;
//if (midRot > MathHelper.TwoPI) midRot -= MathHelper.TwoPI;
Vector2 dimRef1 = Vector2.Polar(refCenter, offset, startAngle);
Vector2 dimRef2 = Vector2.Polar(refCenter, offset, endAngle);
Vector2 midDim = Vector2.Polar(refCenter, offset, midRot);
// reference points
Layer defPoints = new Layer("Defpoints") {Plot = false};
entities.Add(new Point(ref1) {Layer = defPoints});
entities.Add(new Point(ref2) {Layer = defPoints});
entities.Add(new Point(refCenter) {Layer = defPoints});
// dimension lines
double ext1;
double ext2;
entities.Add(DimensionArc(refCenter, dimRef1, dimRef2, startAngle, endAngle, offset, style, out ext1, out ext2));
// dimension arrows
double angle1 = Math.Asin(ext1*0.5/offset);
double angle2 = Math.Asin(ext2*0.5/offset);
entities.Add(StartArrowHead(dimRef1, angle1 + startAngle - MathHelper.HalfPI, style));
entities.Add(EndArrowHead(dimRef2, angle2 + endAngle + MathHelper.HalfPI, style));
// dimension lines
double dimexo = style.ExtLineOffset*style.DimScaleOverall;
double dimexe = style.ExtLineExtend*style.DimScaleOverall;
if (!style.ExtLine1)
entities.Add(ExtensionLine(Vector2.Polar(ref1, dimexo, startAngle), Vector2.Polar(dimRef1, dimexe, startAngle), style, style.ExtLine1Linetype));
if (!style.ExtLine2)
entities.Add(ExtensionLine(Vector2.Polar(ref2, dimexo, endAngle), Vector2.Polar(dimRef2, dimexe, endAngle), style, style.ExtLine1Linetype));
// dimension text
double textRot = midRot - MathHelper.HalfPI;
double gap = style.TextOffset*style.DimScaleOverall;
if (textRot > MathHelper.HalfPI && textRot <= MathHelper.ThreeHalfPI)
{
textRot += MathHelper.PI;
gap *= -1;
}
string text = FormatDimensionText(measure, true, dim.UserText, style, dim.Owner.Record.Layout);
MText mText = DimensionText(Vector2.Polar(midDim, gap, midRot), textRot, text, style);
if (mText != null)
entities.Add(mText);
dim.DefinitionPoint = MathHelper.Transform(new Vector3(midDim.X, midDim.Y, dim.Elevation), dim.Normal, CoordinateSystem.Object, CoordinateSystem.World);
dim.MidTextPoint = new Vector3(midDim.X, midDim.Y, dim.Elevation); // this value is in OCS
// drawing block
return new Block(name, false, entities, null);
}
private Angular3PointDimension ReadAngular3PointDimension(Vector3 defPoint, Vector3 normal)
{
Vector3 center = Vector3.Zero;
Vector3 firstRef = Vector3.Zero;
Vector3 secondRef = Vector3.Zero;
List<XData> xData = new List<XData>();
while (this.chunk.Code != 0)
{
switch (this.chunk.Code)
{
case 13:
firstRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 23:
firstRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 33:
firstRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 14:
secondRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 24:
secondRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 34:
secondRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 15:
center.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 25:
center.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 35:
center.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 1001:
string appId = this.DecodeEncodedNonAsciiCharacters(this.chunk.ReadString());
XData data = this.ReadXDataRecord(this.GetApplicationRegistry(appId));
xData.Add(data);
break;
default:
if (this.chunk.Code >= 1000 && this.chunk.Code <= 1071)
throw new Exception("The extended data of an entity must start with the application registry code.");
this.chunk.Next();
break;
}
}
IList<Vector3> ocsPoints = MathHelper.Transform(
new[]
{
center, firstRef, secondRef, defPoint
},
normal, CoordinateSystem.World, CoordinateSystem.Object);
Angular3PointDimension entity = new Angular3PointDimension
{
CenterPoint = new Vector2(ocsPoints[0].X, ocsPoints[0].Y),
StartPoint = new Vector2(ocsPoints[1].X, ocsPoints[1].Y),
EndPoint = new Vector2(ocsPoints[2].X, ocsPoints[2].Y),
};
entity.SetDimensionLinePosition(new Vector2(ocsPoints[3].X, ocsPoints[3].Y));
entity.XData.AddRange(xData);
return entity;
}
private void WriteAngular3PointDimension(Angular3PointDimension dim)
{
this.chunk.Write(100, SubclassMarker.Angular3PointDimension);
IList<Vector3> wcsPoints = MathHelper.Transform(
new[]
{
new Vector3(dim.StartPoint.X, dim.StartPoint.Y, dim.Elevation),
new Vector3(dim.EndPoint.X, dim.EndPoint.Y, dim.Elevation),
new Vector3(dim.CenterPoint.X, dim.CenterPoint.Y, dim.Elevation)
},
dim.Normal, CoordinateSystem.Object, CoordinateSystem.World);
this.chunk.Write(13, wcsPoints[0].X);
this.chunk.Write(23, wcsPoints[0].Y);
this.chunk.Write(33, wcsPoints[0].Z);
this.chunk.Write(14, wcsPoints[1].X);
this.chunk.Write(24, wcsPoints[1].Y);
this.chunk.Write(34, wcsPoints[1].Z);
this.chunk.Write(15, wcsPoints[2].X);
this.chunk.Write(25, wcsPoints[2].Y);
this.chunk.Write(35, wcsPoints[2].Z);
this.chunk.Write(40, 0.0);
this.WriteXData(dim.XData);
}
public static Block Build(Angular3PointDimension dim, string name)
{
double offset = dim.Offset;
double measure = dim.Measurement;
double aperture = measure*MathHelper.DegToRad;
DimensionStyle style = dim.Style;
List<EntityObject> entities = new List<EntityObject>();
// we will build the dimension block in object coordinates with normal the dimension normal
Vector3 refPoint;
refPoint = MathHelper.Transform(dim.CenterPoint, dim.Normal, MathHelper.CoordinateSystem.World, MathHelper.CoordinateSystem.Object);
Vector2 refCenter = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(dim.StartPoint, dim.Normal, MathHelper.CoordinateSystem.World, MathHelper.CoordinateSystem.Object);
Vector2 ref1 = new Vector2(refPoint.X, refPoint.Y);
refPoint = MathHelper.Transform(dim.EndPoint, dim.Normal, MathHelper.CoordinateSystem.World, MathHelper.CoordinateSystem.Object);
Vector2 ref2 = new Vector2(refPoint.X, refPoint.Y);
double elevation = refPoint.Z;
double startAngle = Vector2.Angle(refCenter, ref1);
double endAngle = Vector2.Angle(refCenter, ref2);
Vector2 dimRef1 = Vector2.Polar(refCenter, offset, startAngle);
Vector2 dimRef2 = Vector2.Polar(refCenter, offset, endAngle);
double midRot = startAngle + aperture*0.5;
Vector2 midDim = Vector2.Polar(refCenter, offset, midRot);
// reference points
Layer defPoints = new Layer("Defpoints") { Plot = false };
entities.Add(new Point(ref1) { Layer = defPoints });
entities.Add( new Point(ref2) { Layer = defPoints });
entities.Add( new Point(refCenter) { Layer = defPoints });
// dimension lines
double ext1;
double ext2;
entities.Add(DimensionArc(refCenter, dimRef1, dimRef2, startAngle, endAngle, Math.Abs(offset), 1, style, out ext1, out ext2));
// dimension arrows
double angle1 = Math.Asin(ext1 * 0.5 / Math.Abs(offset));
double angle2 = Math.Asin(ext2 * 0.5 / Math.Abs(offset));
entities.Add( StartArrowHead(dimRef1,angle1 + startAngle - MathHelper.HalfPI, style));
entities.Add( EndArrowHead(dimRef2, angle2 + endAngle + MathHelper.HalfPI, style));
// dimension lines
double dimexo = Math.Sign(offset) * style.DIMEXO * style.DIMSCALE;
double dimexe = Math.Sign(offset) * style.DIMEXE * style.DIMSCALE;
if (!style.DIMSE1) entities.Add( ExtensionLine(Vector2.Polar(ref1, dimexo, startAngle), Vector2.Polar(dimRef1, dimexe, startAngle), style, style.DIMLTEX1));
if (!style.DIMSE2) entities.Add( ExtensionLine(Vector2.Polar(ref2, dimexo, endAngle), Vector2.Polar(dimRef2, dimexe, endAngle), style, style.DIMLTEX1));
// dimension text
string text = FormatDimensionText(measure, true, dim.UserText, style, dim.Owner.Record.Layout);
double textRot = midRot - MathHelper.HalfPI;
MText mText = DimensionText(Vector2.Polar(midDim, style.DIMGAP * style.DIMSCALE, midRot), textRot, text, style);
if (mText != null) entities.Add(mText);
dim.DefinitionPoint = MathHelper.Transform(new Vector3(midDim.X, midDim.Y, elevation), dim.Normal, MathHelper.CoordinateSystem.Object, MathHelper.CoordinateSystem.World);
dim.MidTextPoint = new Vector3(midDim.X, midDim.Y, elevation); // this value is in OCS
// drawing block
return new Block(name, false, entities, null);
}
private static void Angular3PointDimensionDrawing()
{
DxfDocument dxf = new DxfDocument();
Vector3 center = new Vector3(1, 2, 0);
double radius = 2.42548;
Arc arc = new Arc(center, radius, -30, 60);
//arc.Normal = new Vector3(1, 1, 1);
DimensionStyle myStyle = new DimensionStyle("MyStyle");
Angular3PointDimension dim = new Angular3PointDimension(arc, 5, myStyle);
dxf.AddEntity(arc);
dxf.AddEntity(dim);
dxf.Save("angular 3 point dimension.dxf");
dxf = DxfDocument.Load("angular 3 point dimension.dxf");
}
private static void Angular3PointDimension()
{
DxfDocument dxf = new DxfDocument();
DimensionStyle myStyle = CreateDimStyle();
myStyle.DIMADEC = 4;
myStyle.DIMAUNIT = AngleUnitType.DegreesMinutesSeconds;
Vector3 center = new Vector3(1, 2, 0);
double radius = 2.5;
Arc arc = new Arc(center, radius, -32.8, 160.5);
Angular3PointDimension dim1 = new Angular3PointDimension(arc, 5, myStyle);
Angular3PointDimension dim2 = new Angular3PointDimension(arc, -5, myStyle);
dxf.AddEntity(arc);
dxf.AddEntity(dim1);
dxf.AddEntity(dim2);
dxf.Save("dimension drawing.dxf");
dxf = DxfDocument.Load("dimension drawing.dxf");
DxfDocument doc = new DxfDocument();
foreach (var c in dxf.Circles)
{
doc.AddEntity((EntityObject)c.Clone());
}
foreach (var d in dxf.Dimensions)
{
doc.AddEntity((EntityObject)d.Clone());
}
doc.Save("dimension drawing saved.dxf");
}
private Angular3PointDimension ReadAngular3PointDimension(Vector3 defPoint)
{
Vector3 center = Vector3.Zero;
Vector3 firstRef = Vector3.Zero;
Vector3 secondRef = Vector3.Zero;
List<XData> xData = new List<XData>();
while (this.chunk.Code != 0)
{
switch (this.chunk.Code)
{
case 13:
firstRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 23:
firstRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 33:
firstRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 14:
secondRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 24:
secondRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 34:
secondRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 15:
center.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 25:
center.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 35:
center.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 1001:
string appId = this.DecodeEncodedNonAsciiCharacters(this.chunk.ReadString());
XData data = this.ReadXDataRecord(appId);
xData.Add(data);
break;
default:
if (this.chunk.Code >= 1000 && this.chunk.Code <= 1071)
throw new DxfInvalidCodeValueEntityException(this.chunk.Code, this.chunk.ReadString(),
"The extended data of an entity must start with the application registry code.");
this.chunk.Next();
break;
}
}
Angular3PointDimension entity = new Angular3PointDimension
{
CenterPoint = center,
FirstPoint = firstRef,
SecondPoint = secondRef,
Offset = Vector3.Distance(center, defPoint)
};
entity.XData.AddRange(xData);
return entity;
}
/// <summary>
/// Creates a new Angular3PointDimension that is a copy of the current instance.
/// </summary>
/// <returns>A new Angular3PointDimension that is a copy of this instance.</returns>
public override object Clone()
{
Angular3PointDimension entity = new Angular3PointDimension
{
//EntityObject properties
Layer = (Layer) this.Layer.Clone(),
Linetype = (Linetype) this.Linetype.Clone(),
Color = (AciColor) this.Color.Clone(),
Lineweight = this.Lineweight,
Transparency = (Transparency) this.Transparency.Clone(),
LinetypeScale = this.LinetypeScale,
Normal = this.Normal,
IsVisible = this.IsVisible,
//Dimension properties
Style = (DimensionStyle) this.Style.Clone(),
AttachmentPoint = this.AttachmentPoint,
LineSpacingStyle = this.LineSpacingStyle,
LineSpacingFactor = this.LineSpacingFactor,
//Angular3PointDimension properties
CenterPoint = this.center,
StartPoint = this.start,
EndPoint = this.end,
Offset = this.offset,
Elevation = this.Elevation
};
foreach (XData data in this.XData.Values)
entity.XData.Add((XData) data.Clone());
return entity;
}
private Angular3PointDimension ReadAngular3PointDimension(Vector3 defPoint, Vector3 normal)
{
Vector3 center = Vector3.Zero;
Vector3 firstRef = Vector3.Zero;
Vector3 secondRef = Vector3.Zero;
List<XData> xData = new List<XData>();
while (this.chunk.Code != 0)
{
switch (this.chunk.Code)
{
case 13:
firstRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 23:
firstRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 33:
firstRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 14:
secondRef.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 24:
secondRef.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 34:
secondRef.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 15:
center.X = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 25:
center.Y = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 35:
center.Z = this.chunk.ReadDouble();
this.chunk.Next();
break;
case 1001:
string appId = this.DecodeEncodedNonAsciiCharacters(this.chunk.ReadString());
XData data = this.ReadXDataRecord(appId);
xData.Add(data);
break;
default:
if (this.chunk.Code >= 1000 && this.chunk.Code <= 1071)
throw new DxfInvalidCodeValueEntityException(this.chunk.Code, this.chunk.ReadString(),
"The extended data of an entity must start with the application registry code.");
this.chunk.Next();
break;
}
}
IList<Vector3> ocsPoints = MathHelper.Transform(new[] {center, firstRef, secondRef, defPoint}, normal, CoordinateSystem.World, CoordinateSystem.Object);
Vector3 refPoint;
refPoint = ocsPoints[0];
Vector2 refCenter = new Vector2(refPoint.X, refPoint.Y);
refPoint = ocsPoints[1];
Vector2 ref1 = new Vector2(refPoint.X, refPoint.Y);
refPoint = ocsPoints[2];
Vector2 ref2 = new Vector2(refPoint.X, refPoint.Y);
refPoint = ocsPoints[3];
Vector2 midTxt = new Vector2(refPoint.X, refPoint.Y);
double aperture = (Vector2.Angle(refCenter, ref2) - Vector2.Angle(refCenter, ref1)) * MathHelper.RadToDeg;
aperture = MathHelper.NormalizeAngle(aperture);
double angle = (Vector2.Angle(refCenter, ref2) - Vector2.Angle(refCenter, midTxt)) * MathHelper.RadToDeg;
angle = MathHelper.NormalizeAngle(angle);
double offset = Vector3.Distance(center, defPoint);
if (angle > aperture)
offset *= -1;
Angular3PointDimension entity = new Angular3PointDimension
{
CenterPoint = center,
FirstPoint = firstRef,
SecondPoint = secondRef,
Offset = offset
};
entity.XData.AddRange(xData);
return entity;
}
public static Block Build(Angular3PointDimension dim, string name)
{
double offset = Math.Abs(dim.Offset);
double side = Math.Sign(dim.Offset);
double measure = dim.Measurement;
double aperture = measure * MathHelper.DegToRad;
DimensionStyle style = dim.Style;
List <EntityObject> entities = new List <EntityObject>();
// we will build the dimension block in object coordinates with normal the dimension normal
IList <Vector3> ocsPoints = MathHelper.Transform(new[] { dim.CenterPoint, dim.StartPoint, dim.EndPoint }, dim.Normal, CoordinateSystem.World, CoordinateSystem.Object);
Vector3 refPoint;
refPoint = ocsPoints[0];
Vector2 refCenter = new Vector2(refPoint.X, refPoint.Y);
refPoint = ocsPoints[1];
Vector2 ref1 = new Vector2(refPoint.X, refPoint.Y);
refPoint = ocsPoints[2];
Vector2 ref2 = new Vector2(refPoint.X, refPoint.Y);
double elevation = refPoint.Z;
if (side < 0)
{
Vector2 tmp = ref1;
ref1 = ref2;
ref2 = tmp;
}
double startAngle = Vector2.Angle(refCenter, ref1);
double endAngle = Vector2.Angle(refCenter, ref2);
Vector2 dimRef1 = Vector2.Polar(refCenter, offset, startAngle);
Vector2 dimRef2 = Vector2.Polar(refCenter, offset, endAngle);
double midRot = startAngle + aperture * 0.5;
Vector2 midDim = Vector2.Polar(refCenter, offset, midRot);
// reference points
Layer defPoints = new Layer("Defpoints")
{
Plot = false
};
entities.Add(new Point(ref1)
{
Layer = defPoints
});
entities.Add(new Point(ref2)
{
Layer = defPoints
});
entities.Add(new Point(refCenter)
{
Layer = defPoints
});
// dimension lines
double ext1;
double ext2;
entities.Add(DimensionArc(refCenter, dimRef1, dimRef2, startAngle, endAngle, Math.Abs(offset), 1, style, out ext1, out ext2));
// dimension arrows
double angle1 = Math.Asin(ext1 * 0.5 / Math.Abs(offset));
double angle2 = Math.Asin(ext2 * 0.5 / Math.Abs(offset));
entities.Add(StartArrowHead(dimRef1, angle1 + startAngle - MathHelper.HalfPI, style));
entities.Add(EndArrowHead(dimRef2, angle2 + endAngle + MathHelper.HalfPI, style));
// dimension lines
double dimexo = style.DIMEXO * style.DIMSCALE;
double dimexe = style.DIMEXE * style.DIMSCALE;
if (!style.DIMSE1)
{
entities.Add(ExtensionLine(Vector2.Polar(ref1, dimexo, startAngle), Vector2.Polar(dimRef1, dimexe, startAngle), style, style.DIMLTEX1));
}
if (!style.DIMSE2)
{
entities.Add(ExtensionLine(Vector2.Polar(ref2, dimexo, endAngle), Vector2.Polar(dimRef2, dimexe, endAngle), style, style.DIMLTEX1));
}
// dimension text
string text = FormatDimensionText(measure, true, dim.UserText, style, dim.Owner.Record.Layout);
double textRot = midRot - MathHelper.HalfPI;
double gap = style.DIMGAP * style.DIMSCALE;
if (textRot < MathHelper.PI)
{
textRot += MathHelper.PI;
gap *= -1;
}
MText mText = DimensionText(Vector2.Polar(midDim, gap, midRot), textRot, text, style);
if (mText != null)
{
entities.Add(mText);
}
dim.DefinitionPoint = MathHelper.Transform(new Vector3(midDim.X, midDim.Y, elevation), dim.Normal, CoordinateSystem.Object, CoordinateSystem.World);
dim.MidTextPoint = new Vector3(midDim.X, midDim.Y, elevation); // this value is in OCS
// drawing block
return(new Block(name, false, entities, null));
}
/// <summary>
/// Creates a new Angular3PointDimension that is a copy of the current instance.
/// </summary>
/// <returns>A new Angular3PointDimension that is a copy of this instance.</returns>
public override object Clone()
{
Angular3PointDimension entity = new Angular3PointDimension
{
//EntityObject properties
Layer = (Layer)this.layer.Clone(),
LineType = (LineType)this.lineType.Clone(),
Color = (AciColor)this.color.Clone(),
Lineweight = (Lineweight)this.lineweight.Clone(),
Transparency = (Transparency)this.transparency.Clone(),
LineTypeScale = this.lineTypeScale,
Normal = this.normal,
//Dimension properties
Style = (DimensionStyle)this.style.Clone(),
AttachmentPoint = this.attachmentPoint,
LineSpacingStyle = this.lineSpacingStyle,
LineSpacingFactor = this.lineSpacing,
//Angular3PointDimension properties
CenterPoint = this.center,
StartPoint = this.start,
EndPoint = this.end,
Offset = this.offset
};
foreach (XData data in this.XData.Values)
entity.XData.Add((XData)data.Clone());
return entity;
}
private static void Angular3PointDimension()
{
DxfDocument dxf = new DxfDocument();
DimensionStyle myStyle = CreateDimStyle();
Vector3 center = new Vector3(1, 2, 0);
double radius = 2.42548;
Arc arc = new Arc(center, radius, -30, 60);
Angular3PointDimension dim1 = new Angular3PointDimension(arc, 5, myStyle);
Angular3PointDimension dim2 = new Angular3PointDimension(arc, -5, myStyle);
dxf.AddEntity(arc);
dxf.AddEntity(dim1);
dxf.AddEntity(dim2);
dxf.Save("dimension drawing.dxf");
dxf = DxfDocument.Load("dimension drawing.dxf");
}
